css制作磨砂图片
CSS制作梦幻彩虹效果今天看到一篇文章,说到margin的塌陷的问题,并提供了好几个例子。
自己之前还没怎么遇到过这个问题,正好来研究一下。
- <li class="box1"></li>
- <li class="box2"></li>
- <li class="box3"></li>
- <li class="box4"></li>
css样式一,使用margin塌陷:
- .box1, .box2, .box3 {
- width: 200px;
- }
- .box1{
- margin-bottom: -80px;
- height:100px;
- background: blue;
- }
- .box2 {
- margin-bottom:-40px;
- height:60px;
- background: #ffff00;
- }
- .box3{
- height:20px;
- background: #ff0000;
- }
效果:
css样式二,也是使用的margin塌陷,不过做出来的是弧形的彩虹:
- .box1{
- width: 400px;
- height: 200px;
- overflow: hidden;
- }
- .box1::before{
- float: left;
- display: block;
- height: 400px;
- width:400px;
- border-radius: 100%;
- border: solid 10px blue;
- box-sizing: border-box;
- content: "";
- }
- .box1::after{
- margin-top: 10px;
- margin-left: 10px;
- display: block;
- width: 380px;
- height: 380px;
- border: solid #ffff00 10px;
- border-radius: 100%;
- box-sizing: border-box;
- content: "";
- }
- .box2{
- float: left;
- margin-top: -180px;
- margin-left: 20px;
- width: 360px;
- height: 180px;
- overflow: hidden;
- }
- .box2::before{
- float: left;
- display: block;
- margin: 0;
- width: 360px;
- height: 360px;
- border-radius: 100%;
- border: solid 10px #ff0000;
- box-sizing: border-box;
- content: "";
- }
- .box2::after{
- display: block;
- margin-top: 10px;
- margin-left: 10px;
- width: 340px;
- height: 340px;
- border-radius: 100%;
- border: solid 10px #ffff00;
- box-sizing: border-box;
- content: "";
- }
- .box3{
- margin-top: -160px;
- margin-left: 40px;
- width: 340px;
- height: 160px;
- overflow: hidden;
- }
- .box3::before{
- float: left;
- display: block;
- width: 320px;
- height: 320px;
- border: solid 10px blue;
- border-radius: 100%;
- box-sizing: border-box;
- content: "";
- }
效果:
css样式三,使用的是box-shadow:
- .box4{
- width: 200px;
- height: 200px;
- box-shadow: 0 10px 0 red,0 20px 0 yellow, 0 30px 0 green,0 40px 0 blue,0 50px 0 purple;
- }
效果:
CSS样式四,使用position:absolute来实现,感觉这种是最常见的了
- .box1{
- position: absolute;
- width: 200px;
- height: 100px;
- background: #008aff;
- }
- .box2{
- position: absolute;
- margin-top: 20px;
- width: 200px;
- height: 60px;
- background: #ffff00;
- }
- .box3{
- position: absolute;
- margin-top: 40px;
- width: 200px;
- height: 20px;
- background: #ff6633;
- }
效果:
CSS样式五,使用radial-gradient:
- .box4{
- width: 260px;
- height: 130px;
- overflow: hidden;
- }
- .box5{
- width: 260px;
- height: 260px;
- border-radius: 100%;
- background: radial-gradient(#ffffff 70px,#ff6633 80px,#ffff00 90px,green 100px,#008aff 110px,purple 120px);
- background: -moz-radial-gradient(#ffffff 70px,#ff6633 80px,#ffff00 90px,green 100px,#008aff 110px,purple 120px);
- background: -webkit-radial-gradient(#ffffff 70px,#ff6633 80px,#ffff00 90px,green 100px,#008aff 110px,purple 120px);
- }
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